/*
 * Copyright (C) 2016 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okiofrtc;

import java.util.AbstractList;
import java.util.RandomAccess;

/** An indexed set of values that may be read with {@link BufferedSource#select}. */
public final class Options extends AbstractList<ByteString> implements RandomAccess {
  final ByteString[] byteStrings;

  private Options(ByteString[] byteStrings) {
    this.byteStrings = byteStrings;
  }

  public static Options of(ByteString... byteStrings) {
    return new Options(byteStrings.clone()); // Defensive copy.
  }

  @Override public ByteString get(int i) {
    return byteStrings[i];
  }

  @Override public int size() {
    return byteStrings.length;
  }
}
